Added subjob to delete data in measurements,qc_flags, and _map tables when files are deleted
Removed tPosgresqlcommit for null connection in delete_data_for_deleted_files subjob
Merge pull request #3 from AODN-ETL/add_subjob_to_delete_data_from_deleted_files

Added subjob to delete data in measurements,qc_flags, and _map tables wh...